187815720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{109}}^1\times {\mathrm{173}}^1$

素因数の和:379

約数の個数: 128

約数和(自身を含む): 578793600

約数和(自身を除く): 390977880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 83, 109, 120, 166, 173, 218, 249, 327, 332, 346, 415, 436, 498, 519, 545, 654, 664, 692, 830, 865, 872, 996, 1038, 1090, 1245, 1308, 1384, 1635, 1660, 1730, 1992, 2076, 2180, 2490, 2595, 2616, 3270, 3320, 3460, 4152, 4360, 4980, 5190, 6540, 6920, 9047, 9960, 10380, 13080, 14359, 18094, 18857, 20760, 27141, 28718, 36188, 37714, 43077, 45235, 54282, 56571, 57436, 71795, 72376, 75428, 86154, 90470, 94285, 108564, 113142, 114872, 135705, 143590, 150856, 172308, 180940, 188570, 215385, 217128, 226284, 271410, 282855, 287180, 344616, 361880, 377140, 430770, 452568, 542820, 565710, 574360, 754280, 861540, 1085640, 1131420, 1565131, 1723080, 2262840, 3130262, 4695393, 6260524, 7825655, 9390786, 12521048, 15651310, 18781572, 23476965, 31302620, 37563144, 46953930, 62605240, 93907860, 187815720]

約数ペア:

[(1, 187815720), (2, 93907860), (3, 62605240), (4, 46953930), (5, 37563144), (6, 31302620), (8, 23476965), (10, 18781572), (12, 15651310), (15, 12521048), (20, 9390786), (24, 7825655), (30, 6260524), (40, 4695393), (60, 3130262), (83, 2262840), (109, 1723080), (120, 1565131), (166, 1131420), (173, 1085640), (218, 861540), (249, 754280), (327, 574360), (332, 565710), (346, 542820), (415, 452568), (436, 430770), (498, 377140), (519, 361880), (545, 344616), (654, 287180), (664, 282855), (692, 271410), (830, 226284), (865, 217128), (872, 215385), (996, 188570), (1038, 180940), (1090, 172308), (1245, 150856), (1308, 143590), (1384, 135705), (1635, 114872), (1660, 113142), (1730, 108564), (1992, 94285), (2076, 90470), (2180, 86154), (2490, 75428), (2595, 72376), (2616, 71795), (3270, 57436), (3320, 56571), (3460, 54282), (4152, 45235), (4360, 43077), (4980, 37714), (5190, 36188), (6540, 28718), (6920, 27141), (9047, 20760), (9960, 18857), (10380, 18094), (13080, 14359)]